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- 5) Use compounds X, Y and Z (shown below) to answer the following questions. H. H3C" "CH3 ОН CH3 compound X compound Y compound Z a) Is compound X classified as cis, trans or neither? b) Is compound Y classified as E, Z or neither? c) Is compound Z classified as R, S or neither? d) Are compounds X and Y constitutional isomers of each other? (YES or NO) e) Are compounds Y and Z constitutional isomers of each other? (YES or NO) f) Classify compound Y as a primary, secondary or tertiary alcohol. g) Which compound(s) is(are) chiral? h) Give the IUPAC name for compound Z, omitting the absolute configuration (R or S) designation. i) In the indicated spaces below, draw stereoisomers of compounds X, Y and Z. stereoisomer of compound X stereoisomer of compound Y stereoisomer of compound ZHO₂ H COOH COOH V POH HOT COOH cooff VI Ho HO COOH COOH VI H H COOH COOH VIIL OH OH Question: In the structures / examples abovke Identify V, VI, VII and VIII as Identical enantiomers, ciastereomes, stereo/cumers and/or structural isomers (there are 6 pairs 7 Comp eand to discover te I&T I TEN TEM TIMIN).(a) Using Newman projections, draw all staggered and eclipsed conformations that result from rotation around the indicated bond in each molecule; (b) draw a graph of energy versus dihedral angle for rotation around this bond. [1] CH3CH₂ CH₂CH₂CH3 [2] CH3CH₂ CHCH₂CH3 TCH₂
- Provide the correct IUPAC name for the skeletal (bond-line) structure shown here. Ya.) Draw all constitutional isomers of compounds with the molecular formula C4H9Br. (b) Are any of the structures in part (a) primary alkyl bromides? If so, circle it/themFor each of the following compounds and ions,1. Draw a Lewis structure.2. Show the kinds of orbitals that overlap to form each bond.3. Give approximate bond angles around each atom except hydrogen.(a) [NH2]- (b) [CH2OH]+ (c) CH2“N¬CH3(d) CH3¬CH“CH2 (e) HC‚C¬CHO (f) H2N¬CH2¬CN
- Provide the correct IUPAC name for the skeletal (line-bond) structure shown here. x4.) Provide an accurate line drawing (using wedges and dashes) for the following Newman projection, using accurate wedges and dashes as appropriate. BrDetermine the weakest C-H bond in each of the following compounds. (a) (b) (c) ОН
- (a) Draw the Newman projection for each molecule shown here, looking down the C-C bond indicated by the arrow. (b) Which configuration do you think is more stable? Explain. H3C' *CH3 H3C 'CH3 cis-1,2-Dimethylcyclopropane trans-1,2-Dimethylcyclopropane1. (a) Draw a careful 3D representation of each molecule shown below. Be sure to show all lone pairs. Draw H atoms only if they are necessary to clarify your drawing. (b) (c) ONEt₂ HN 3 NH CH₂CICHC1₂ (draw in Newman projection)7(a) Label each compound as stable cis or trans. H₂CCH3 or (a) CH3 or (b) or (c) CH3 CH3 CH3 CH₂CH3 H3C CH3 H3C CH3 STA CH3